p@isalnum
p@isalnum_l
p@isalpha
p@isalpha_l
p@isascii
p@isblank
p@isblank_l
p@iscntrl
p@iscntrl_l
p@isdigit
p@isdigit_l
p@isgraph
p@isgraph_l
p@islower
p@islower_l
p@isprint
p@isprint_l
p@ispunct
p@ispunct_l
p@isspace
p@isspace_l
p@isupper
p@isupper_l
p@isxdigit
p@isxdigit_l
p@toascii
p@tolower
p@tolower_l
p@toupper
p@toupper_l